Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 116,482	$ 152,968
Accounts and notes receivable, net of allowance of $8,270 and $6,767, respectively	98,743	74,668
Current deferred tax assets	27,499	12,769
Other current assets	25,311	15,200
Total current assets	268,035	255,605
Property, plant and equipment, net	998,957	981,622
Intangible assets	140,032	140,546
Goodwill	212,772	212,495
Other assets	12,410	13,385
Total assets	1,632,206	1,603,653
Current liabilities:
Current maturities of long-term debt	290	403
Accounts payable	81,114	66,258
Accrued expenses	56,618	36,913
Total current liabilities	138,022	103,574
Long-term debt, less current maturities	1,996	2,147
Senior secured notes	572,338	571,161
Deferred income taxes	222,718	202,985
Other liabilities	18,629	19,037
Total liabilities	953,703	898,904
Commitments and contingencies
Stockholders' equity:
Common stock, $0.01 par value, 400,000,000 shares authorized; 52,167,610 shares issued and outstanding at June 30, 2011; and 54,859,261 shares issued and outstanding at December 31, 2010	522	549
Additional paid in capital and other	589,005	636,757
Retained earnings	78,288	65,503
Accumulated other comprehensive income	10,688	1,940
Total stockholders' equity	678,503	704,749
Total liabilities and stockholders' equity	$ 1,632,206	$ 1,603,653